Abstract

In modern days, we often feel stressed due to various types of disturbances from the surrounding environment, from the noisy sounds from transportation to the artificial light disturbance at night. Some may think of being relieved if they become isolated from the world to get rid of all those annoyances. They might be correct, as scientists have found that the sensory deprivation tank – a floatation tank that provides restricted environmental stimulation therapy (REST) – can be helpful for physical and mental health. However, people with prolonged sensory deprivation can experience hallucinations.